scotch-pkgbuild/PKGBUILD

# Maintainer: Martin Diehl <aur@martin-diehl.net>
# Contributor: Samuel Williams <samuel.williams@oriontransfer.co.nz>
pkgname=scotch
pkgver=7.0.4
pkgrel=1
pkgdesc="Software package and libraries for graph, mesh and hypergraph partitioning, static mapping, and sparse matrix block ordering. This is the all-inclusive version (MPI/serial/esmumps)."
url="https://gitlab.inria.fr/scotch/scotch"
license=("custom:CeCILL-C")
depends=('zlib' 'openmpi' 'bzip2')
makedepends=('gcc-fortran' "cmake" "flex" "bison")
provides=('ptscotch' 'ptscotch-openmpi' 'scotch_esmumps' 'scotch_ptesmumps')
conflicts=('ptscotch-openmpi' 'scotch_esmumps' 'scotch_esmumps5')
arch=('i686' 'x86_64')
source=("https://gitlab.inria.fr/scotch/scotch/-/archive/v${pkgver}/${pkgname}-v${pkgver}.tar.gz")
sha256sums=('8ef4719d6a3356e9c4ca7fefd7e2ac40deb69779a5c116f44da75d13b3d2c2c3')

options=(!emptydirs)

prepare() {
  [[ ! -d build ]] && mkdir build
  cd "${srcdir}/${pkgname}-v${pkgver}/src/"
  mkfile=${PWD}/Makefile.inc
  cp Make.inc/Makefile.inc.${CARCH/_/-}_pc_linux2.shlib ${mkfile}

  # Fix C compiler (still needed?)
  sed -i "s/CCD\t.*=.*gcc/CCD = mpicc/" ${mkfile}

  # Also enable bzip2 compression
  sed -i "s/-DCOMMON_FILE_COMPRESS_GZ/-DCOMMON_FILE_COMPRESS_GZ -DCOMMON_FILE_COMPRESS_BZ2/" ${mkfile}
  sed -i "s/-lz/-lz -lbz2/" ${mkfile}

  # Apply patch to fix shared library ldflags (still needed?)
  sed -i 's/$(AR) $(ARFLAGS) $(@) $(?)/$(AR) $(ARFLAGS) $(@) $(?) $(LDFLAGS)/g' \
      libscotch/Makefile
}

build() {
  cd "${srcdir}/${pkgname}-v${pkgver}"

  CONFOPTS=(
    -DCMAKE_INSTALL_PREFIX=/usr
    -DCMAKE_BUILD_TYPE=None
    -DCMAKE_COLOR_MAKEFILE=OFF
    -DCMAKE_CXX_COMPILER=mpicxx
    -DCMAKE_C_COMPILER=mpicc
    -DCMAKE_Fortran_COMPILER=mpifort
    -DCMAKE_C_FLAGS="${CFLAGS//-O2/-O3}"
    -DCMAKE_CXX_FLAGS="${CXXFLAGS//-O2/-O3}"
    -DINSTALL_METIS_HEADERS=OFF
    # -DINCLUDE_INSTALL_DIR=
    -DBUILD_LIBSCOTCHMETIS=ON
    -DBUILD_LIBESMUMPS=ON
    -DBUILD_PTSCOTCH=ON
    -DMPI_THREAD_MULTIPLE=ON
    -DTHREADS=ON
    -DINTSIZE:STRING="32"
    -DBUILD_SHARED_LIBS:BOOL=ON
    -DSCOTCH_PTHREAD:BOOL=ON
    -DSCOTCH_PTHREAD_MPI:BOOL=ON
    -DCOMMON_PTHREAD_AFFINITY_LINUX:BOOL=ON
  )
  echo CONFOPTS: ${CONFOPTS[@]}
  cmake -B "${srcdir}"/build -S "${srcdir}/${pkgname}-v${pkgver}" "${CONFOPTS[@]}"

  cmake --build "${srcdir}"/build
}

check() {
  cd "${srcdir}/${pkgname}-v${pkgver}/src"

  if [ -z $(ldconfig -p | grep libcuda.so.1) ]; then
    export OMPI_MCA_opal_warn_on_missing_libcuda=0
  fi
  ctest --test-dir "${srcdir}"/build
}

package() {
  cd "${srcdir}/${pkgname}-v${pkgver}/src"

  DESTDIR="${pkgdir}" cmake --build "${srcdir}"/build --target install

  # Gpart is no longer installed... why?
  # # To avoid conflict with extra/gpart, maybe move the package to /opt/scotch ?
  # mv "${pkgdir}/usr/bin/gpart" "${pkgdir}/usr/bin/gpart-scotch"

  mkdir -p "${pkgdir}"/usr/share/doc/"${pkgname}"
  cp -R ../doc/* "${pkgdir}"/usr/share/doc/"${pkgname}"
  install -m 644 -D "${pkgdir}"/usr/share/doc/scotch/CeCILL-C_V1-en.txt "${pkgdir}/usr/share/licenses/${pkgname}/LICENSE"
}